/*
Copyright 2024 New Vector Ltd.
Copyright 2017 Vector Creations Ltd

SPDX-License-Identifier: AGPL-3.0-only
Please see LICENSE in the repository root for full details.
 */

#import "RoomCollectionViewCell.h"

#import "AvatarGenerator.h"

#import "ThemeService.h"
#import "GeneratedInterface-Swift.h"

#import "MXRoomSummary+Riot.h"
#import "MXRoom+Riot.h"

#import "MXTools.h"

@implementation RoomCollectionViewCell

#pragma mark - Class methods

- (void)awakeFromNib
{
    [super awakeFromNib];
    
    // Disable the user interaction on the room avatar.
    self.roomAvatar.userInteractionEnabled = NO;
    
    // define arrow mask
    CAShapeLayer *arrowMaskLayer = [[CAShapeLayer alloc] init];
    arrowMaskLayer.frame = self.editionArrowView.bounds;
    CGSize viewSize = self.editionArrowView.frame.size;
    UIBezierPath *path = [[UIBezierPath alloc] init];
    [path moveToPoint:CGPointMake(0, viewSize.height)]; // arrow left bottom point
    [path addLineToPoint:CGPointMake(viewSize.width / 2, 0)]; // arrow head
    [path addLineToPoint:CGPointMake(viewSize.width, viewSize.height)]; // arrow right bottom point
    [path closePath]; // arrow top side
    arrowMaskLayer.path = path.CGPath;
    self.editionArrowView.layer.mask = arrowMaskLayer;
    
    self.isAccessibilityElement = YES;
}

- (void)customizeCollectionViewCellRendering
{
    [super customizeCollectionViewCellRendering];
    
    self.roomTitle.textColor = ThemeService.shared.theme.textPrimaryColor;
    self.roomTitle1.textColor = ThemeService.shared.theme.textPrimaryColor;
    self.roomTitle2.textColor = ThemeService.shared.theme.textPrimaryColor;
    self.presenceIndicatorView.borderColor = ThemeService.shared.theme.backgroundColor;
    
    self.editionArrowView.backgroundColor = ThemeService.shared.theme.headerBackgroundColor;
    
    self.roomAvatar.defaultBackgroundColor = [UIColor clearColor];
}

- (void)layoutSubviews
{
    [super layoutSubviews];
    
    [self.roomAvatar.layer setCornerRadius:self.roomAvatar.frame.size.width / 2.0];
    [self.roomAvatar setClipsToBounds: YES];
}

- (void)render:(MXKCellData *)cellData
{
    // Hide by default missed notifications and unread widgets
    self.badgeLabel.hidden = YES;
    
    roomCellData = (id<MXKRecentCellDataStoring>)cellData;
    if (roomCellData)
    {
        // Report computed values as is
        self.roomTitle.hidden = NO;
        self.roomTitle.text = roomCellData.roomDisplayname;
        self.roomTitle1.hidden = YES;
        self.roomTitle2.hidden = YES;
        
        NSMutableString *accessibilityLabel = [self.roomTitle.text mutableCopy];
        
        // Check whether the room display name is an alias to keep visible the HS.
        if ([MXTools isMatrixRoomAlias:roomCellData.roomDisplayname])
        {
            NSRange range = [roomCellData.roomDisplayname rangeOfString:@":" options:NSBackwardsSearch];
            if (range.location != NSNotFound)
            {
                self.roomTitle.hidden = YES;
                self.roomTitle1.hidden = NO;
                self.roomTitle1.text = [roomCellData.roomDisplayname substringToIndex:range.location + 1];
                self.roomTitle2.hidden = NO;
                self.roomTitle2.text = [roomCellData.roomDisplayname substringFromIndex:range.location + 1];
                accessibilityLabel = [[NSString stringWithFormat:@"%@, %@", self.roomTitle1.text, self.roomTitle2.text] mutableCopy];
            }
        }
        
        // Notify unreads and bing
        if (roomCellData.roomSummary.membership == MXMembershipInvite
                 || roomCellData.roomSummary.sentStatus != MXRoomSummarySentStatusOk)
        {
            self.badgeLabel.hidden = NO;
            self.badgeLabel.badgeColor = ThemeService.shared.theme.noticeColor;
            self.badgeLabel.text = @"!";

            // Use bold font for the room title
            self.roomTitle.font = self.roomTitle1.font = self.roomTitle2.font = [UIFont systemFontOfSize:13 weight:UIFontWeightBold];
        }
        else if (roomCellData.hasUnread)
        {
            if (0 < roomCellData.notificationCount)
            {
                self.badgeLabel.hidden = NO;
                self.badgeLabel.badgeColor = roomCellData.highlightCount ? ThemeService.shared.theme.noticeColor : ThemeService.shared.theme.noticeSecondaryColor;
                self.badgeLabel.text = roomCellData.notificationCountStringValue;
                
                NSUInteger count = roomCellData.notificationCount;
                NSString *newMessagesLabel = count == 1 ? [VectorL10n roomNewMessageNotification:count] : [VectorL10n roomNewMessagesNotification:count];
                [accessibilityLabel appendFormat:@", %@", newMessagesLabel];
            }
            
            // Use bold font for the room title
            self.roomTitle.font = self.roomTitle1.font = self.roomTitle2.font = [UIFont systemFontOfSize:13 weight:UIFontWeightBold];
        }
        else
        {
            // The room title is not bold anymore            
            self.roomTitle.font = self.roomTitle1.font = self.roomTitle2.font = [UIFont systemFontOfSize:13 weight:UIFontWeightMedium];
            
        }
        
        self.accessibilityLabel = accessibilityLabel;
        
        [self.roomAvatar vc_setRoomAvatarImageWith:roomCellData.avatarUrl
                                            roomId:roomCellData.roomIdentifier
                                       displayName:roomCellData.roomDisplayname
                                      mediaManager:roomCellData.mxSession.mediaManager];

        if (roomCellData.directUserId)
        {
            [self.presenceIndicatorView configureWithUserId:roomCellData.directUserId presence:roomCellData.presence];
        }
        else
        {
            [self.presenceIndicatorView stopListeningPresenceUpdates];
        }
    }
}

- (MXKCellData*)renderedCellData
{
    return roomCellData;
}

+ (CGFloat)heightForCellData:(MXKCellData *)cellData withMaximumWidth:(CGFloat)maxWidth
{
    // The height is fixed
    return 115;
}

+ (CGSize)defaultCellSize
{
    return CGSizeMake(80, 115);
}

- (void)prepareForReuse
{
    [super prepareForReuse];

    [self.presenceIndicatorView stopListeningPresenceUpdates];

    // Remove all gesture recognizers
    while (self.gestureRecognizers.count)
    {
        [self removeGestureRecognizer:self.gestureRecognizers[0]];
    }
    self.tag = -1;
    self.collectionViewTag = -1;
    
    self.editionArrowView.hidden = YES;
    
    roomCellData = nil;
}

- (NSString*)roomId
{
    return roomCellData.roomIdentifier;
}

@end

